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954
resultados
Última actualización
02/11/2026 [11:26:00]
Resultados 225 a 250 de 954
Resumen de: WO2026208158A1
An off-grid offshore energy island system for hydrogen production, comprising wind turbine modules (1), a semi-submersible anti‑motion platform (2), and an energy storage module (3), a seawater desalination module (4), a water electrolysis hydrogen production module (5), hydrogen storage modules (6), a hydrogen liquefaction module (7), and an intelligent control module (8) which are arranged on the semi-submersible anti‑motion platform (2). The system realizes large-scale development of deep-sea wind energy by means of the floating wind turbine modules (1). The design of the semi-submersible anti‑motion platform (2) effectively solves the problem of structural stability under complex marine conditions in the deep sea, and significantly improves wind power capture efficiency in cooperation with the multi‑wind turbine parallel operation technology. An energy-resource synergistic conversion system is achieved. A full-chain coupling system of "wind power, energy storage, freshwater, green hydrogen, and liquid hydrogen" is pioneered, the electric energy conversion efficiency is improved, the intelligent control module (8) realizes dynamic matching of loads of various modules under wind power fluctuations, the overall energy utilization efficiency of the system is greatly improved, and zero-consumption water resource recycling is achieved. Further comprised is an operation control method.
Resumen de: US20260312078A1
The present invention relates to method for the synthesis of a transition metal catalyst consisting of electrodeposition on a substrate electrode from an electrolyte solution comprising at least one transition metal precursor, wherein the electrodeposition takes places at a deposition current density of 500 to 2000 mA/cm2. The present invention further relates to a transition metal catalyst characterised in that it is stable for at least 30 minutes at a current density of at least 400 A/cm2 on the substrate electrode.
Resumen de: US20260308779A1
The present invention concerns composite casing structures for electrolytic cells wherein each casing structure is made of a plurality of casing components, optionally made of at least two different materials, which are subsequently joined together to form a structure suitable to house one or more of the following elements: electrodes, separators, bipolar elements, elastic elements and/or current collectors. The casing structure may be advantageously employed in electrolysers for high pressure alkaline water electrolysis.
Resumen de: AU2025375145A1
Provided is a hydrogen production control system for producing hydrogen with different environmental impacts. A hydrogen production control system 20 causes a hydrogen production apparatus 10 to produce hydrogen. The hydrogen production apparatus inputs, to a water electrolysis device 13, a power amount from a renewable energy generation device 12 or a power amount from a power grid 30, and causes the water electrolysis device to electrolyze water to thereby produce hydrogen with different environmental impacts. The hydrogen production apparatus comprises: a renewable energy variation amount prediction unit which predicts variation in the power amount from the renewable energy power generation device; and a type-specific hydrogen production planning unit which creates a type-specific hydrogen production plan for producing hydrogen with different environmental impacts by the hydrogen production apparatus, on the basis of a prediction result from the renewable energy variation amount prediction unit. The type-specific hydrogen production planning unit creates a production plan for producing a first type of hydrogen with a small environmental impact among hydrogen with different environmental impacts by using a power amount in a first case where the power amount from the renewable energy generation device is predicted to be supplied stably.
Resumen de: CN120830110A
A hydrogen generation device with a breath detection function comprises an electrolytic cell, a gas pipeline, a sensor, a valve switch and a controller, the electrolytic cell is used for electrolyzing water to generate hydrogen-containing gas, the gas pipeline is communicated with the electrolytic cell and provided with a gas outlet, and the gas pipeline is used for receiving the hydrogen-containing gas and outputting the hydrogen-containing gas through the gas outlet. The sensor is used for sensing breathing of a user to generate a breathing signal, the valve switch is arranged in the gas pipeline, the controller is electrically connected with the valve switch and the sensor, and the controller opens the valve switch according to the inspiration signal and closes the valve switch according to the expiration signal; therefore, the hydrogen-containing gas is provided, the hydrogen-containing gas is not provided in the expiration state, the pressure of the breathing tube can be prevented from being too large, the hydrogen-containing gas can be prevented from rapidly flowing to the user when the user inhales again, and then the practicability and the use experience are improved.
Resumen de: US20260307031A1
A hydrogen generation device includes a hydrogen generator body, a secondary coil, an eddy current generating unit, and at least one support member. The hydrogen generator body includes a chamber. One end part of the hydrogen generator body is provided with a first inlet for allowing a first substance to enter the chamber and a second inlet for allowing a second substance to enter the chamber. The other end part of the hydrogen generator body is provided with an outlet and an exhaust port. The secondary coil is wound around the exterior of the hydrogen generator body. The eddy current generating unit is disposed in the chamber at a position corresponding to the secondary coil. The support member has plural holes and is disposed in the chamber. The eddy current generating unit penetrates through the support member and is arranged in the chamber by the support member.
Resumen de: AU2025243755A1
The purpose of the present invention is to improve the energy efficiency of a hydrogen production system as a whole. A hydrogen production system (1) produces hydrogen. The hydrogen production system (1) is provided with: an SOEC (10) that is supplied with an oxidizing gas and steam and generates hydrogen by electrolyzing the supplied steam; a steam generation unit (20) that generates the steam supplied to the SOEC (10) by heating feed water; and a power supply device (40) that supplies power to the SOEC (10) so that the SOEC (10) operates at an operation point exceeding a thermal neutral point. The steam generation unit (20) uses heat generated in the SOEC (10) to heat the feed water, and generates the steam without using heat supplied from outside of the hydrogen production system (1).
Resumen de: AU2025244398A1
The disclosure presents an integrated system consisting of a wastewater production unit, e- methane reactor, an electrolyzer for producing hydrogen, a cryogenic separation unit and an ammonia production unit, where e-methane is produced by reaction of carbon dioxide obtained from direct air capture/biogenic CCh/captured industrial CO2 emissions/oxidized solid carbon, and from CO2 separated from biogas obtained from wastewater treatment, and hydrogen gas from electrolysis of water. The hydrogen gas is also reacted with nitrogen obtained from the cryogenic unit for the synthesis of ammonia, where heat from ammonia synthesis is transferred to e-methane reactor for energy efficiency. By integrating these units and reactors, the disclosure provides a system for efficient use of energy and by-products.
Resumen de: AU2025246818A1
An electrochemical cell according to the present invention comprises an anode part, a cathode part, and an electrolyte membrane. The anode part has a first flow field that forms a space through which a first fluid including water flows so as to contact a first surface of the electrolyte membrane. The cathode part has a second flow field that forms a space through which a second fluid including a hydrogenated substance flows so as to contact a second surface of the electrolyte membrane. The second flow field comprises a porous layer formed of a conductive material, and the compressive strain of the porous layer in the cathode part is 0.3-0.8.
Resumen de: WO2026212178A1
The present application relates to: a plasmonically driven electrochemical catalyst structure; and an ammonia oxidation system and a wastewater electrolysis system, each comprising same. The electrochemical catalyst structure according to embodiments of the present application and the ammonia oxidation system comprising same may provide an environment favorable for ammonia oxidation reaction (AOR) activity, as plasmonic activity regulates the arrangement of interfacial water molecules and alters the hydrogen-bonding network.
Resumen de: WO2026209255A1
The present invention relates to a control method for adjusting the utilisation of an electrolysis system (1) by means of a central system controller (5), wherein the system controller (5) is designed such that at a time t0, a maximum available capacity Lplant of the electrolysis system (1) can be set, within the physical limits Lmin to Lmax of the electrolysis system (1), as a first target value for first discrete time periods of a time interval t1 to t2, and such that at time t0, the utilisation of the electrolysis system (1) Splant can be set within the maximum available capacity Lplant, as a second target value for second discrete time periods of a time interval ta to t2 wherein t2 > t1 ≥ t0, and wherein an electrical power or an amount of hydrogen is specified to the system controller (5) as the first and the second target value.
Resumen de: WO2026211281A1
The present invention provides a steam electrolysis apparatus capable of heating a cell stack as uniformly as possible. The steam electrolysis apparatus comprises: a cell stack group (101G) including a plurality of cell stacks arranged side by side, each cell stack including electrolysis cells electrically connected via interconnectors, each electrolysis cell comprising a hydrogen electrode, an electrolyte, and an oxygen electrode; and a heating tube (3) provided outside the cell stack group (101G) and through which a heating medium flows. The heating tube (3) is provided at a position spaced apart from the cell stack group (101G) by a predetermined distance. The heating tube (3) is provided helically around the cell stack group (101G).
Resumen de: WO2026211776A1
The purpose of the present disclosure is to suppress the occurrence of cracks in an air electrode (29). An electrochemical cell (20) comprises a fuel electrode (21), a solid electrolyte layer (24), a reaction prevention layer (25), an air electrode (29), and interconnectors (AC1, FC1). The air electrode (29) has a first region (R1) having a contact region (S1) in contact with the interconnector (AC1), and a second region (R2) having a non-contact region (S2) not in contact with the interconnector (AC1). The content of an accessory component in a first volume of the first region (R1) of the air electrode (29) is greater than the content of the accessory component in a second volume of the second region (R2) of the air electrode (29).
Resumen de: US20260312080A1
An oxygen reduction catalyst may include a catalyst metal having oxygen reduction reaction activity and a modified layer comprising an organic nitrogen compound having a triazine ring structure represented by the following formula (I) or a cation thereof:In the formula (I), R1, R2, R3, R4, R5, and R6 each independently represent a hydrogen atom, a group represented by R7OCH2—, or a group represented by —X—*, wherein R7 represents a hydrogen atom or an alkyl group having 3 to 8 carbon atoms, X represents a methylene group (—CH2—) or a methyleneoxy group (—O—CH2—), and * represents a bond. However, at least one of R1, R2, R3, R4, R5, and R6 is a group represented by R—OCH2— (where Rz is an alkyl group having 3 to 8 carbon atoms).
Resumen de: WO2026212402A1
According to the present invention, a continuous production system for synthetic natural gas may be provided in a continuous process system for converting carbon dioxide into synthetic natural gas. The continuous production system for synthetic natural gas comprises: an electrochemical reactor which receives carbon dioxide and water and generates synthetic gas through an electrochemical reaction; and a thermochemical reactor which receives the generated synthetic gas from the electrochemical reactor and generates methane through a thermochemical reaction. The electrochemical reactor includes a negative electrode containing a silver (Ag) or gold (Au)-based catalyst and reduces carbon dioxide to carbon monoxide. The electrochemical reactor generates synthetic gas having a ratio of carbon monoxide to hydrogen of 1:2.90 to 1:3.54.
Resumen de: WO2026211779A1
The purpose of the present disclosure is to suppress the occurrence of cracks in an air electrode (29). An electrochemical cell (20) has a fuel electrode (21), a solid electrolyte layer (24), a reaction prevention layer (25), the air electrode (29), and interconnectors (AC1, FC1). The air electrode (29) has a first region (R1) having a contact region (S1) that is in contact with the interconnector (AC1), and a second region (R2) having a non-contact region (S2) that is not in contact with the interconnector (AC1). The included percentage of an auxiliary component in a first volume of the first region (R1) in the air electrode (29) is smaller than the included percentage of the auxiliary component in a second volume of the second region (R2) in the air electrode (29).
Resumen de: US20260312075A1
0000 Provided is an electrochemical oxygen reduction catalyst in which a decrease in catalytic activity is suppressed. The present disclosure relates to an electrochemical oxygen reduction catalyst, a manufacturing method thereof, and a fuel cell and a water electrolysis system using the electrochemical oxygen reduction catalyst. The electrochemical oxygen reduction catalyst comprises a catalyst metal having an oxygen reduction activity and an additive that modifies the catalyst metal. The additive contains a nitrogen-containing cyclic organic compound having a triazine skeleton, a polymer thereof, or a cation thereof. In the nitrogen-containing cyclic organic compound, the polymer thereof, or the cation thereof, a total number of functional groups that substitute hydrogen atoms of melamine and functional groups that substitute amino groups of melamine is 3.79 or more and 5.51 or less per molecule of the nitrogen-containing cyclic organic compound.
Resumen de: US20260307984A1
A method of ammonia (NH3) decomposition includes flowing hydrogen (H2) through a reactor containing a catalyst to reduce the catalyst and flowing an NH3 mixture through the reactor at a temperature of 100 to 800 degrees Celsius (° C.) to decompose the NH3. The catalyst is a metal-doped lanthanum manganite material (LaMnO3) including cobalt (Co) and nickel (Ni) each in an amount of 0.1 to 2.0 percent by weight (wt. %) based on a total weight of the metal-doped LaMnO3 material. The NH3 mixture includes NH3 and helium in a volumetric ratio of 5:95 to 15:85. At least 99 wt. % of NH3 is decomposed to form H2 and N2 at a temperature of 550° C. based on an initial amount of the NH3.
Resumen de: FI20253120A1
The present disclosure relates to an electrolysis apparatus drain (2) system comprising a storage vessel (16) configured to receive an extracted fluid and a pressure regulation valve (28) fluidly connected to the storage vessel (16) and provided downstream of the storage vessel (16). A drain valve (30) is configured to control flow of the extracted fluid from the storage vessel (16) and provided downstream of the pressure regulation valve (28). An upstream side of the pressure regulation valve (28) is provided at the same pressure environment as the storage vessel (16) and a downstream side of the pressure regulation valve (28) provides a predetermined pressure at the drain valve (30).
Resumen de: US20260308785A1
0000 Provided is an electrode composition for proton exchange membrane water electrolysis comprising a binder, a catalyst, and a solvent, wherein the binder comprises a polar group-free binder. The electrode may comprise a binder, a catalyst, and a solvent, wherein the binder may comprise a polar group-free binder. The binder may further comprise a polar group-containing binder. Also provided is an anode comprising the electrode composition for proton exchange membrane water electrolysis. Also provided is a membrane-electrode assembly comprising the electrode for proton exchange membrane water electrolysis. Also provided is a proton exchange membrane water electrolysis cell comprising the electrode for proton exchange membrane water electrolysis.
Resumen de: US20260308773A1
The system produces, stores, and utilizes Oxyhydrogen gas in scalable quantities for direct or indirect use in multiple applications where process automation and safety features provide continuous duty with a maximum level of safety and a minimum of maintenance. In an embodiment, the system generates Oxyhydrogen Gas using a generator/electrolyzer, a reservoir, a control module, a compression process, flash back arrestor with thermal indication, storage, safety release module, and a utilization burner module and/or a combustion module. In and embodiment There are an additional sub-systems and their components that support production including distilled water, caustic solution, heat exchange, vacuum pump, and De-Foamer.
Resumen de: DE102025113540A1
Die vorgestellte Erfindung betrifft ein Verfahren (100) zum Minimieren einer Degradation von Zellen in einem Zellstapel (201) eines Elektrolysesystems (200), wobei das Verfahren (100) umfasst:- Betreiben (101) des Elektrolysesystems (200) in einem Elektrolysebetrieb, bei dem Wasser in den Zellen durch Zufuhr von elektrischem Strom in Wasserstoff und Sauerstoff gespalten wird,- Beenden (103) des Elektrolysebetriebs und- Verdrängen (105) zumindest eines Teils eines in dem Zellstapel (201) befindlichen Elektrolyten durch ein Austauschfluid aus dem Zellstapel (201), nachdem der Elektrolysebetrieb beendet wurde.
Resumen de: DE102025113773A1
Die vorliegende Erfindung betrifft eine Photokatalysevorrichtung mit wenigstens einem Photokatalysereaktor. Die Erfindung betrifft darüber hinaus ein Photokatalyseverfahren, bei dem Wasserdampf und/oder Wasser wenigstens einem Photokatalysereaktor zugeführt wird/werden, in dem der Wasserdampf und/oder das Wasser photokatalytisch in Wasserstoff und Sauerstoff aufgespalten wird/werden. Erfindungsgemäß weist der wenigstens eine Photokatalysereaktor jeweils einen Innenraum mit wenigstens einem Wasserdampf- und/oder Wassereinlass und wenigstens teilweise eine dem Innenraum des jeweiligen Photokatalysereaktors zugewandte Innenbeschichtung auf und ist bis auf seine Medienein- und auslässe nach außen dicht, wobei an oder um eine(r) Außenseite des Photokatalysereaktors wenigstens eine Erwärmungseinrichtung oder eine Abwärmezufuhr angeordnet ist, wobei die Innenbeschichtung ein keramisches, einen Katalysator für eine Photokatalyse ausbildendes Funktionsmaterial aufweist und in dem Innenraum des jeweiligen Photokatalysereaktors ein Wasserstoffkanal ausgebildet ist, dessen Kanalwandung zumindest teilweise als eine für Wasserstoff durchlässige, aber für Sauerstoff, Stickstoff und Wasser undurchlässige Membran ausgebildet ist.
Resumen de: WO2026209443A1
The present invention relates to an assembly comprising a bipolar plate (100) for an electrolytic cell (10, 10', 10'',...) of an electrolyser stack (1), which has a right cylindrical overall shape with a longitudinal axis X, the bases of the cylinder each having a recess (44, 45), having a right 5 cylindrical shape of height h and the same axis X, a periphery (43) circumscribing the recesses (44, 45), the periphery (43) being provided with channels (40, 41) which pass through the periphery (43) from a first opening (46) arranged on one face of the periphery (43) to a second opening (47) arranged on the opposite face of the periphery (43), the channels (40, 41) being configured to allow the recess (44, 45) to be supplied with an electrolytic fluid, or a mixture of 0 electrolytic fluid and electrolysis gases to be discharged from the recess (44, 45), at least one of the openings (46, 47) being circumscribed by a groove (42), and a sealing gasket (48). According to the invention, the sealing gasket (48) rests in the groove (42).
Nº publicación: FI20253122A1 08/10/2026
Solicitante:
TEKNOLOGIAN TUTKIMUSKESKUS VTT OY [FI]
Teknologian tutkimuskeskus VTT Oy
Resumen de: FI20253122A1
The present invention relates to a pressure control system (2) for an electrolysis arrangement comprising at least one sensor (22) configured to determine a pressure difference (Δp) between two fluid pathways comprising respective resultant fluids produced by an electrolysis stack (4) in use. At least one valve (20) configured to allow fluid flow therethrough to control pressure in the at least one of the fluid pathways. A controller (24) is configured to determine if said pressure difference (Δp) exceeds a threshold pressure difference (p*) and to control the valves (20) to reduce said pressure difference by continuously and/or in real-time adjusting the valve (20).
BOPI
Sede Electrónica
